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AL1921h
Service manual
Audio; Dc Power - Acer AL1921h Service Manual
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User manual
(20 pages)
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Audio
タ
6
AUDIO_SD
CN701
1
5
R701 10K
1/16W
4
3
R703
2
10K
1/16W
PHONEJACK
C711
100pF
DC Power
CN201
GND
1
2
ON_OFF
GND
DIM
3
4
VCC12V
5
6
VCC12V
GND
7
8
GND
VCC5V
9
10
VCC5V
GND
11
12
GND
CONN
VCC5V
R203
1K
1/16W
Brightness
R204
10K
R205 4.7K
1/16W
1
Q202
4
AdjBACKLITE
PMBS3904
VCC5V
R206
R208
10K
1/16W
10K
R207 4.7K
1/16W
1
Q204
6
onPanel_5V/3.3V
PMBS3904
C207
0.1uF
VCC5V
VCC12V
R213
R215
10K
1/16W
10K
R214 4.7K
1/16W
1
Q205
6
onPanel_12V
PMBS3904
C217
0.1uF
2
VCC12V_AUDIO
MUTE
C704
0.47uF/16V
C706
0.47uF/16V
D701
R704
100
R705
D702
LL4148
LL4148
10K
1/16W
R706
100
1/16W
C709
C710
1uF
1uF
C712
100pF
VCC12V
R201
4.7K
1/16W
D201
SS14
VCC5V+
VCC5V
VCPU
FB201
600 OHM
C202
C203
C204
C205
+
+
220uF/25V
0.1uF
220uF/25V
0.1uF
1/16W
C206
1uF
VLCD
VLCD
5
VCC5V
VCC3.3
1/16W
R209
R210
Q203
AO3401
NC
0
1/16W
+
C208
R211
10uF/16V
10K
1/16W
VLCD_12V
VLCD_12V 5
1/16W
Q206
AO3407
VCC12V
C218
R216
+
4.7K
1/16W
10uF/16V
VCC12V_AUDIO
C701
+
470uF/16V
U701
TDA7496L
4
17
INL
OUTL
9
14
INR
OUTR
1/16W
6
10
VOLUME
SVR
11
7
STBY
VAROUT_R
12
5
MUTE
VAROUT_L
R712
VOL
VOLUME
4
220K
1/16W
C713
0.1uF
VCC5V
R202
10K
1/16W
C201
R212 4.7K
1/16W
1
onBACKLITE 6
0.1uF
Q201
PMBS3904
VCPU
6
C213
47uF/16V
VCC5V
VCC12V
R217
R219
10K
1/16W
10K
1/16W
R218 4.7K
1/16W
1
Q207
6
onAUDIO
PMBS3904
C219
0.1uF
57
C702
C703
+
470uF/16V
0.1uF
R702
NC
C705
470uF/16V
C707
470uF/16V
C708
R707
R708
R709
+
470uF/16V
1K
1/16W
1K
1/16W
NC
VCC5V+
SOT-223
D202
U201
GS1D
RT9164-25CG
3
2
VI
VO
C209
C210
+
47uF/16V
0.1uF
VCC5V+
SOT-263
U202
3
2
VIN
VOUT
1
ADJ
+
C214
C215
+
0.1uF
AIC1084-33M
47uF/16V
VCC12V_AUDIO
VCC12V_AUDIO 7
Q208
AO3407
VCC12V
C220
R220
Title
+
MST8XXXB for AOC
4.7K
1/16W
10uF/16V
Size
Document Number
B
Date:
星期三, 十二月 03, 2003
EAR_L
6
OUT_L
6
OUT_R
6
EAR_R
6
VCC2.5
VCC2.5
4
C211
C212
+
47uF/16V
0.1uF
VCC3.3
VCC3.3
4
VAA1
VAA1
4
C216
VAA2
0.1uF
VAA2
4
VAA3
VAA3
4
VAA4
VAA4
4
Rev
POWER
A
Sheet
2
of
7
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